1 files changed, 8 insertions, 2 deletions

diff --git a/serial/wheel.c b/serial/wheel.c
index 936f55c..8155734 100644
--- a/serial/wheel.c
+++ b/serial/wheel.c
@@ -1,10 +1,16 @@
 #include "serial.h"
 
-int fd;                             // 轮子的串口文件描述符
-char portname[50] = "/dev/ttyUSB0"; // 串口设备名
+int fd;         // 轮子的串口文件描述符
+char *portname; // 串口设备名
 struct termios tty;
 
 bool whellInit() {
+    portname = findUSBDev("wheel");
+    if (portname == NULL) {
+        fprintf(stderr, "Error: Failed to find wheel serial port\n");
+        return false;
+    }
+    printf("Wheel serial port: %s\n", portname);
     // 打开串口
     fd = open(portname, O_RDWR | O_NOCTTY | O_SYNC);
     if (fd < 0) {